STM32制作的MP3的全部资料，包含优化类的几个简单示例程序，分析了该信号的时域、频域、倒谱，循环谱等。- STM32 all the information produced by the MP3, Optimization class contains several simple sample programs, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.

包含优化类的几个简单示例程序，STM32制作的MP3的全部资料，有详细的注释。- Optimization class contains several simple sample programs, STM32 all the information produced by the MP3, There are detailed notes.

Modern signal processing jobs when the graduate, Matlab for beginner students will help, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition.